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23 Aug 2017, 19:50
Michael Nygard (11 posts)

I’m excited to announce the beta of Release It! Second edition.

It’s been ten years since the first edition was released. Many of the lessons in that book hold strong. Some are even more relevant today than in 2007. But a few things have changed. For one thing, capacity management is much less of an issue today. The rise of the cloud means that developers are more exposed to networks than ever. And in this era of microservices, we’ve got more and better ops tools in the open source world than ever.

All of that motivated me to update the book for this decade. I’ve removed the section on capacity and capacity optimization and replaced it with a section that builds up a picture of our systems by doing a “slow zoom” out from the hardware, to single processes, to clusters, to the controlling infrastructure, and to security issues.

The first beta does not yet include two additional new parts on deployment and solving systemic problems. Those will be coming in the next few weeks.

In the meanwhile, I look forward to hearing your comments and feedback!

24 Aug 2017, 05:43
Peter Luttrell (1 post)

Is the Beta edition going to be posted to Safari by chance?

24 Aug 2017, 19:50
Michael Nygard (11 posts)


Sorry, no. The only place beta books are available is here on

22 Sep 2017, 19:47
Sanjay kumar (1 post)

Michael, Perhaps a chapter on throttling will be useful in this edition.


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